Raw Water Treatment Model With Combined System of Downflow – Upflow Filter
How to Cite?
Yolly Adriati, Muhammad Saleh Pallu, Mary Selintung, Bambang Bakri, "Raw Water Treatment Model With Combined System of Downflow – Upflow Filter," International Journal of Engineering Trends and Technology, vol. 69, no. 8, pp. 237-242, 2021. Crossref, https://doi.org/10.14445/22315381/IJETT-V69I8P229
Abstract
Treatment with a combined system of downflow and up-flow filters is a straightforward raw water treatment system. Filtration technology with flow direction from top to bottom (downflow) and from bottom to top (upflow) is widely applied in small-scale communities, but this method could be developed further. When clogging occurs, it is necessary to wash the media manually. This study analyzes the effect of filters on raw water treatment and analyzes the effectiveness of the turbidity level of raw water treatment with a combination of downflow and upflow system. With beach sand filter media with varying thicknesses of 10 cm, 20 cm and 30 cm, and a combined filter media of beach sand and zeolite with a thickness of 20 cm. The results showed that turbidity was reduced significantly with a combination of downflow and upflow filter system. It also more efficient in the use of filter media thickness, with a low filter media thickness, it could remove 78% to 99% turbidity. This indicates that the downflow and upflow filter combination system can eliminate turbidity with low filter media
Keywords
downflow upfow, discharge, speed, filtration, efficiency
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